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Simplifying (9 + v)(2v + 7) = 0 Reorder the terms: (9 + v)(7 + 2v) = 0 Multiply (9 + v) * (7 + 2v) (9(7 + 2v) + v(7 + 2v)) = 0 ((7 * 9 + 2v * 9) + v(7 + 2v)) = 0 ((63 + 18v) + v(7 + 2v)) = 0 (63 + 18v + (7 * v + 2v * v)) = 0 (63 + 18v + (7v + 2v2)) = 0 Combine like terms: 18v + 7v = 25v (63 + 25v + 2v2) = 0 Solving 63 + 25v + 2v2 = 0 Solving for variable 'v'. Factor a trinomial. (9 + v)(7 + 2v) = 0Subproblem 1
Set the factor '(9 + v)' equal to zero and attempt to solve: Simplifying 9 + v = 0 Solving 9 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + v = 0 + -9 v = 0 + -9 Combine like terms: 0 + -9 = -9 v = -9 Simplifying v = -9Subproblem 2
Set the factor '(7 + 2v)' equal to zero and attempt to solve: Simplifying 7 + 2v = 0 Solving 7 + 2v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2v = 0 + -7 2v = 0 + -7 Combine like terms: 0 + -7 = -7 2v = -7 Divide each side by '2'. v = -3.5 Simplifying v = -3.5Solution
v = {-9, -3.5}
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